$167+ Cheap flights from Wilmington to St. Louis (ILM - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — STL
Jul 16 — Jul 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Wilmington to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Wilmington to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Wilmington to St. LouisExplore the most affordable flight options available from Wilmington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
Explore the most affordable flight options available from Wilmington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:06 am
ILM
- STL
1 stop4h 27m
American Airlines
Tue 7/217:32 am
STL
- ILM
1 stop5h 32m
American Airlines
Deal found 6/14![American Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 7/79:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/15![United Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:01 pm
ILM
- STL
1 stop4h 43m
American Airlines
Tue 7/75:13 pm
STL
- ILM
1 stop5h 44m
American Airlines
Deal found 6/15![American Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:48 pm
ILM
- STL
1 stop6h 05m
Delta
Wed 8/57:00 am
STL
- ILM
1 stop5h 43m
Delta
Deal found 6/13![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:30 am
ILM
- STL
1 stop5h 22m
Delta
Mon 7/67:08 am
STL
- ILM
1 stop5h 33m
Delta
Deal found 6/13![Delta logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:20 pm
ILM
- STL
2 stops37h 37m
Multiple Airlines
Wed 8/54:09 pm
STL
- ILM
1 stop27h 33m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$357
This deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 7/219:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/15![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:30 am
ILM
- STL
2 stops9h 16m
United Airlines
Tue 7/211:13 pm
STL
- ILM
2 stops9h 31m
United Airlines
Deal found 6/14![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
ILM
- STL
2 stops9h 38m
United Airlines
Sat 8/227:25 am
STL
- ILM
1 stop7h 24m
United Airlines
Deal found 6/15![United Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:04 pm
ILM
- STL
1 stop6h 55m
Multiple Airlines
Sun 7/196:34 pm
STL
- ILM
2 stops39h 34m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$383
Best flights from Wilmington to St. LouisDiscover carefully curated flight deals from Wilmington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Wilmington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 7/149:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/14![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:48 pm
ILM
- STL
1 stop6h 05m
Delta
Wed 8/57:00 am
STL
- ILM
1 stop5h 43m
Delta
Deal found 6/13![Delta logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:30 pm
ILM
- STL
1 stop8h 29m
Multiple Airlines
Mon 8/34:57 pm
STL
- ILM
2 stops21h 01m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
ILM
- STL
2 stops9h 38m
United Airlines
Sat 8/227:25 am
STL
- ILM
1 stop7h 24m
United Airlines
Deal found 6/15![United Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:41 pm
ILM
- STL
1 stop6h 48m
United Airlines
Sat 7/46:01 am
STL
- ILM
1 stop5h 11m
United Airlines
Deal found 6/11![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:42 pm
ILM
- STL
1 stop6h 44m
United Airlines
Tue 7/79:20 am
STL
- ILM
2 stops13h 24m
United Airlines
Deal found 6/15![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:03 pm
ILM
- STL
2 stops11h 26m
United Airlines
Tue 7/149:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/13![United Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:42 pm
ILM
- STL
1 stop6h 44m
United Airlines
Tue 8/41:13 pm
STL
- ILM
2 stops9h 31m
United Airlines
Deal found 6/13![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:47 pm
ILM
- STL
1 stop6h 39m
United Airlines
Sun 7/267:20 am
STL
- ILM
1 stop6h 40m
United Airlines
Deal found 6/14![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am
ILM
- STL
2 stops10h 43m
United Airlines
Mon 10/261:27 pm
STL
- ILM
2 stops9h 26m
United Airlines
Deal found 6/15![United Airlines logo]()
$612
Last-minute flights from Wilmington to St. LouisDiscover last-minute flight deals from Wilmington to St. Louis. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Wilmington to St. Louis. Data last updated June 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:01 pm
ILM
- STL
1 stop4h 43m
American Airlines
Tue 7/75:13 pm
STL
- ILM
1 stop5h 44m
American Airlines
Deal found 6/15![American Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:30 am
ILM
- STL
1 stop5h 22m
Delta
Mon 7/67:08 am
STL
- ILM
1 stop5h 33m
Delta
Deal found 6/13![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 7/79:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/15![United Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:04 pm
ILM
- STL
1 stop6h 55m
Multiple Airlines
Sun 7/196:34 pm
STL
- ILM
2 stops39h 34m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:06 am
ILM
- STL
1 stop4h 27m
American Airlines
Tue 7/217:32 am
STL
- ILM
1 stop5h 32m
American Airlines
Deal found 6/14![American Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:30 am
ILM
- STL
2 stops9h 16m
United Airlines
Tue 7/211:13 pm
STL
- ILM
2 stops9h 31m
United Airlines
Deal found 6/14![United Airlines logo]()
$372
This deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:41 pm
ILM
- STL
1 stop6h 45m
United Airlines
Tue 7/219:20 am
STL
- ILM
1 stop4h 40m
United Airlines
Deal found 6/15![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:48 pm
ILM
- STL
1 stop6h 05m
Delta
Wed 8/57:00 am
STL
- ILM
1 stop5h 43m
Delta
Deal found 6/13![Delta logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:20 pm
ILM
- STL
2 stops37h 37m
Multiple Airlines
Wed 8/54:09 pm
STL
- ILM
1 stop27h 33m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:48 am
ILM
- STL
1 stop4h 55m
Delta
Mon 8/35:23 pm
STL
- ILM
1 stop5h 34m
Delta
Deal found 6/13![Delta logo]()
$395
One-way flights from Wilmington to St. LouisSearch for one-way flight options from Wilmington to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Wilmington to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:16 pm
ILM
- STL
2 stops42h 24m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:04 pm
ILM
- STL
2 stops24h 33m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:46 am
ILM
- STL
1 stop14h 13m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:30 pm
ILM
- STL
1 stop8h 29m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am
ILM
- STL
1 stop6h 22m
United Airlines
Deal found 6/12![United Airlines logo]()
$269
Find flight deals from Wilmington to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (American Airlines) |
One-way from | $167 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $408 |
Cheapflights Fare Finder
Customize your flight search to find flights from Wilmington to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Wilmington to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Fri 7/10
3:41 pm-9:26 pm
1 stop6h 45m
Lambert-St Louis
Tue 7/14
9:20 am-3:00 pm
1 stop4h 40m
$275
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Thu 7/30
6:48 pm-11:53 pm
1 stop6h 05m
Lambert-St Louis
Wed 8/5
7:00 am-1:43 pm
1 stop5h 43m
$318
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Tue 8/18
7:00 am-3:38 pm
2 stops9h 38m
Lambert-St Louis
Sat 8/22
7:25 am-3:49 pm
1 stop7h 24m
$375
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Wed 7/1
3:41 pm-9:29 pm
1 stop6h 48m
Lambert-St Louis
Sat 7/4
6:01 am-12:12 pm
1 stop5h 11m
$400
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Thu 7/30
4:30 pm-11:59 pm
1 stop8h 29m
Lambert-St Louis
Mon 8/3
4:57 pm-2:58 pm
2 stops21h 01m
$417
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Tue 6/30
3:42 pm-9:26 pm
1 stop6h 44m
Lambert-St Louis
Tue 7/7
9:20 am-11:44 pm
2 stops13h 24m
$454
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Tue 7/7
1:03 pm-11:29 pm
2 stops11h 26m
Lambert-St Louis
Tue 7/14
9:20 am-3:00 pm
1 stop4h 40m
$553
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Thu 7/30
3:42 pm-9:26 pm
1 stop6h 44m
Lambert-St Louis
Tue 8/4
1:13 pm-11:44 pm
2 stops9h 31m
$556
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Wed 7/22
3:47 pm-9:26 pm
1 stop6h 39m
Lambert-St Louis
Sun 7/26
7:20 am-3:00 pm
1 stop6h 40m
$607
WilmingtonSt. Louis
ILM - STL
ILMSTL
Wilmington New Hanover County
Fri 10/23
6:00 am-3:43 pm
2 stops10h 43m
Lambert-St Louis
Mon 10/26
1:27 pm-11:53 pm
2 stops9h 26m
$612
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Wilmington to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Wilmington to St. Louis in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Wilmington-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Wilmington-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Wilmington-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Wilmington-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Wilmington-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Wilmington to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Wilmington with our price prediction graph.
ILM-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Wilmington to St. Louis
What is the cheapest month to book a flight from Wilmington to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Wilmington to St. Louis (average of $200). Flying from Wilmington to St. Louis in May is currently the most expensive (average of $526). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Wilmington to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated June 16, 2026.
Read reviews from past customers who have flown Delta and American Airlines from Wilmington to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Wilmington to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Wilmington
Popular flights
St. Louis flight routes
Alternative routes for Wilmington to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Wilmington to St. Louis by cabin class
Find flights from Wilmington to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Wilmington and St. Louis flights
Browse other Wilmington and St. Louis flight options. Last updated on June 16, 2026.
Other flights from Wilmington
Browse through other flights departing from Wilmington. Flights are based on user searches made on Cheapflights and were last updated on June 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 16, 2026.
Top 2 airlines flying from Wilmington to St. Louis
Discover the top 2 airlines that operate flights from Wilmington to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$200 | Average$267 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$367 | FlexibilityNo cancel fee | On-timeN/A |